Stroll Along Historic Brodhead Creek, a three-mile walk to learn about causes of the 1955 flood and ways of conserving land for flood control, water quality and public enjoyment. Meet at Pinebrook Park, North Fifth Street, off Route 447, Stroud Township. 10 a.m. Oct. 24. Free but registration required. 570-839-1120.

Birding in the Kirby Park Natural Area. Join Bob Wasilewski from the Greater Wyoming Valley Audubon Society to see which birds are migrating in the park this fall. Meet at the parking lot by the Nesbitt Park boat launch in Wilkes-Barre. 8 a.m. Oct. 25. Free. 570-542-5948.

Birding Field Trip, an all-day birding adventure to the Forsythe National Wildlife Refuge in southern New Jersey, a migratory hotspot for a diversity of birds. Meet at the Kettle Creek Environmental Education Center, 8050 Running Valley Road, Stroudsburg. 7 a.m. to 8:30 p.m. Oct. 29. $24 includes bus transportation. Pack a lunch and binoculars; dinner stop will be made. Reservations: 570-629-3061.

Jack-O-Lantern 5K Walk and Run, sponsored by the Marywood University Lacrosse Team. Come in costume. Center for Athletics and Wellness on campus, 2300 Adams Ave., Scranton. Oct. 31 with registration at 8:45 a.m. and race at 9:30 a.m. $15 includes a t-shirt. Entry form at marywoodpacers.com.

D&L Half Marathon, a run/walk along the Delaware and Lehigh National Heritage Corridor in a downhill course starting at Northern Lehigh High School in Slatington and finishing at Canal Street Park in Northampton. With a post-race buffet, finisher medals, top time and age-group awards and random prizes. 8 a.m. Nov. 1. Register at race.delawareandlehigh.org. or 610-923-3548.

Owl Prowl, an exploration of the Vosburg area of Wyoming County in search of owls. Meet at the Weis Market, 600 Hunter Highway, Tunkhannock. 7 p.m. Nov. 6. Registration: 570-639-5785.

Introduction to Astronomy. Step out for an evening of star gazing and learn about some of the many constellations in the sky. Pocono Environmental Education Center, 538 Emery Road, Dingmans Ferry. 6 to 7:30 p.m. Nov. 21. $10. 570-828-2319.

Birding in the Kirby Park Natural Area. Join Bob Wasilewski from the Greater Wyoming Valley Audubon Society to see which birds are migrating in the park this fall. Meet at the parking lot by the Nesbitt Park boat launch in Wilkes-Barre. 8 a.m. Nov. 22. Free. 570-542-5948.

Turkey Time Talk, information on the turkey’s life cycle, habitat and predators along with tips on hunting them and using turkey calls. Salt Springs State Park, 2305 Salt Springs Road, Franklin Forks. 1 p.m. Nov. 22. 570-967-7275.

Winterfest Visit to Lacawac, a seasonal, one-mile hike to tour the field station. Bring a travel mug to fill with coffee or tea before the hike. Followed by a lunch of homemade soups. Lacawac Sanctuary, 94 Sanctuary Road, Lake Ariel. 10 a.m. Dec. 13. $20. Reservations: 570-689-9494.

Birding in the Kirby Park Natural Area. Join Bob Wasilewski from the Greater Wyoming Valley Audubon Society to see which birds are migrating in the park this fall. Meet at the parking lot by the Nesbitt Park boat launch in Wilkes-Barre. 8 a.m. Dec. 27. Free. 570-542-5948.

First Day Hike, a two-to-three-mile hike to start off the New Year. Meet at the Visitors Center of Nescopeck State Park, 1137 Honey Hole Road, Drums. 1 p.m. Jan. 1. Free. 570-474-5884.